Aims and methodTo evaluate whether the implementation of the Rapid Assessment, Interface and Discharge (RAID) integrated model improves access to psychiatric assessment and reduces cost of health service provision in an acute hospital. Length of hospital stay was calculated using a case-by-case matched control design. Readmission rates were calculated and survival analysis was used to measure endurance in the community following discharge.ResultsIn an acute hospital with 600 beds, the total savings in bed days through reducing length of stay and readmissions was 43–64 beds per day. The elderly care wards provided the majority of bed savings.Clinical implicationsThe development of a rapid response, age-inclusive, comprehensive psychiatric team integrated in an acute hospital can lead to significant savings in health service provision.
Postmyocardial infarction (MI) rat myocytes demonstrated depressed Na(+)/Ca(2+) exchange (NCX1) activity, altered contractility, and intracellular Ca(2+) concentration ([Ca(2+)](i)) transients. We investigated whether NCX1 downregulation in normal myocytes resulted in contractility changes observed in MI myocytes. Myocytes infected with adenovirus expressing antisense (AS) oligonucleotides to NCX1 had 30% less NCX1 at 3 days and 66% less NCX1 at 6 days. The half-time of relaxation from caffeine-induced contracture was twice as long in ASNCX1 myocytes. Sarcoplasmic reticulum (SR) Ca(2+)-ATPase abundance, SR Ca(2+) uptake, resting membrane potential, action potential amplitude and duration, L-type Ca(2+) current density and cell size were not affected by ASNCX1 treatment. At extracellular Ca(2+) concentration ([Ca(2+)](o)) of 5 mM, ASNCX1 myocytes had significantly lower contraction and [Ca(2+)](i) transient amplitudes and SR Ca(2+) contents than control myocytes. At 0.6 mM [Ca(2+)](o), contraction and [Ca(2+)](i) transient amplitudes and SR Ca(2+) contents were significantly higher in ASNCX1 myocytes. At 1.8 mM [Ca(2+)](o), contraction and [Ca(2+)](i) transient amplitudes were not different between control and ASNCX1 myocytes. This pattern of contractile and [Ca(2+)](i) transient abnormalities in ASNCX1 myocytes mimics that observed in rat MI myocytes. We conclude that downregulation of NCX1 in adult rat myocytes resulted in decreases in both Ca(2+) influx and efflux during a twitch. We suggest that depressed NCX1 activity may partly account for the contractile abnormalities after MI.
Background Liraglutide is a glucagon-like peptide-1 (GLP-1) analogue currently approved for type 2 diabetes and obesity. Preclinical evidence in transgenic models of Alzheimer’s disease suggests that liraglutide exerts neuroprotective effects by reducing amyloid oligomers, normalising synaptic plasticity and cerebral glucose uptake, and increasing the proliferation of neuronal progenitor cells. The primary objective of the study is to evaluate the change in cerebral glucose metabolic rate after 12 months of treatment with liraglutide in participants with Alzheimer’s disease compared to those who are receiving placebo. Methods/design ELAD is a 12-month, multi-centre, randomised, double-blind, placebo-controlled, phase IIb trial of liraglutide in participants with mild Alzheimer’s dementia. A total of 206 participants will be randomised to receive either liraglutide or placebo as a daily injection for a year. The primary outcome will be the change in cerebral glucose metabolic rate in the cortical regions (hippocampus, medial temporal lobe, and posterior cingulate) from baseline to follow-up in the treatment group compared with the placebo group. The key secondary outcomes are the change from baseline to 12 months in z scores for clinical and cognitive measures (Alzheimer’s Disease Assessment Scale—Cognitive Subscale and Executive domain scores of the Neuropsychological Test Battery, Clinical Dementia Rating Sum of Boxes, and Alzheimer’s Disease Cooperative Study—Activities of Daily Living) and the incidence and severity of treatment-emergent adverse events or clinically important changes in safety assessments. Other secondary outcomes are 12-month change in magnetic resonance imaging volume, diffusion tensor imaging parameters, reduction in microglial activation in a subgroup of participants, reduction in tau formation and change in amyloid levels in a subgroup of participants measured by tau and amyloid imaging, and changes in composite scores using support machine vector analysis in the treatment group compared with the placebo group. Discussion Alzheimer’s disease is a leading cause of morbidity worldwide. As available treatments are only symptomatic, the search for disease-modifying therapies is a priority. If the ELAD trial is successful, liraglutide and GLP-1 analogues will represent an important class of compounds to be further evaluated in clinical trials for Alzheimer’s treatment. Trial registration ClinicalTrials.gov, NCT01843075 . Registration 30 April 2013. Electronic supplementary material The online version of this article (10.1186/s13063-019-3259-x) contains supplementary material, which is available to authorized users.
BackgroundBusy emergency departments (EDs) are not the optimum environment for assessment of patients in mental health crisis. The Psychiatric Decisions Unit (PDU) was developed by the Birmingham and Solihull Mental Health Foundation Trust as an enhanced assessment service to ensure patients in mental health crisis receive optimal care.AimsTo evaluate the activities of the PDU and its impact on the frequency of ED presentations and inpatient admissions, and to explore patient satisfaction.MethodsData were collected over a 6-month period during 2015 regarding patient demographics, referral sources, length of stay, and frequency of mental health-related ED presentations and inpatient psychiatric admissions. Comparison group data were used to evaluate the impact of the PDU. Patient satisfaction was measured using the ‘Friends and Family Test’ and structured feedback forms.ResultsIn total, 385 patients were referred to the PDU during the study period. Implementation of the PDU was associated with a 39% decrease in the number of patients taken to the ED by Street Triage and a 26% fall in inpatient psychiatric admissions via the Trusts’ in-hospital liaison psychiatry team. Ninety-eight per cent of patients surveyed felt that they were treated with respect and understanding, and 94% reported that they were likely or extremely likely to recommend the service to friends and family.ConclusionsImplementation of the PDU was associated with a reduction in the frequency of ED presentations and inpatient psychiatric admissions. This study suggests that patients are satisfied with the care provided at the PDU.
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